let's bring in john murray. do you think she was singing? >> i'm more surprised that kelly clarkson and james taylor actually sang live. it's an epic historic event. artists who air on the side of being perfect and caution in situations like this, you know, they want to give the best showing. people will be playing these tapes for years and years to on come. most artists do pre-record vocals and she released photos of her pre-recording. but most do just in case the elements prevent you from being at your best so i'm not surprised that she did lip sync if she confirms that she had. >> the marine band offering conflicting accounts. earlier they said she lip siyn synced. they said it was determined that a live performance was ill advised. each piece of music scheduled for performance in the inauguration is pre-recorded for use in case of freezing temperatures, equipment failure, et cetera. you say it's pretty standard. and then she pulled out her earpiece which suggests some sort of feedback. some are saying was she singing to her own voice. we